Revert "Dispatch global settings changes to all users."

This reverts commit 989157e1a6ae6049769a6d02af518cf9cd21bd79.

Reason for revert: Crashing stuff -- http://b/76031092

Bug: 76031092
Change-Id: I190280b4f7bd2c6fda5d88fe25fd609d1cf6d7fb
1 file changed